Returns an indication of the type of option installed in
PHD interface 2. See SIMM1-TYPE for an explanation of
the enumerations.
Additional information:
If at least one (1) external paper handling device
is attached to the printer, then this object will
exist, otherwise <noSuchName>
should be returned.
This object returns whether the device is an input
device, an output device, or an unknown device which may
be developed in the future.